ScannerSpaceJoin

import java.util.Scanner;

public class Main {
    public static void main(String[] args) {
        Scanner sc = new Scanner(System.in);

        System.out.println("Enter the strings to join");
        String s1 = sc.nextLine();
        String s2 = sc.nextLine();
        String s3 = sc.nextLine();

        System.out.println("Enter delimiter[like -/./ ]: ");
        String delimiter = sc.nextLine();
        System.out.println("delimiter is >" + delimiter + "<");

        String result = String.join(delimiter, s1, s2, s3);
        System.out.println(result);
    }
}